import REGION_DATA from "china-area-data"

/**
 * Area 属性all的类型
 */
interface PlainPca {
  id: string
  text: string
  pid: string
  index: Number
}

/**
 * 省市区工具类 -解决列表省市区组件的翻译问题
 */
class Area {
  all: PlainPca[]

  /**
   * 构造器
   * @param express
   */
  constructor(pcaa?) {
    if (!pcaa) {
      pcaa = REGION_DATA
    }
    const arr: PlainPca[] = []
    const province = pcaa["86"]
    Object.keys(province).map((key) => {
      arr.push({ id: key, text: province[key], pid: "86", index: 1 })
      const city = pcaa[key]
      Object.keys(city).map((key2) => {
        arr.push({ id: key2, text: city[key2], pid: key, index: 2 })
        const qu = pcaa[key2]
        if (qu) {
          Object.keys(qu).map((key3) => {
            arr.push({ id: key3, text: qu[key3], pid: key2, index: 3 })
          })
        }
      })
    })
    this.all = arr
  }

  get pca() {
    return this.all
  }

  getCode(text) {
    if (!text || text.length == 0) {
      return ""
    }
    for (const item of this.all) {
      if (item.text === text) {
        return item.id
      }
    }
  }

  getText(code) {
    if (!code || code.length == 0) {
      return ""
    }
    const arr = []
    this.getAreaBycode(code, arr, 3)
    return arr.join("/")
  }

  getRealCode(code) {
    const arr = []
    this.getPcode(code, arr, 3)
    return arr
  }

  getPcode(id, arr, index) {
    for (const item of this.all) {
      if (item.id === id && item.index == index) {
        arr.unshift(id)
        if (item.pid != "86") {
          this.getPcode(item.pid, arr, --index)
        }
      }
    }
  }

  getAreaBycode(code, arr, index) {
    for (const item of this.all) {
      if (item.id === code && item.index == index) {
        arr.unshift(item.text)
        if (item.pid != "86") {
          this.getAreaBycode(item.pid, arr, --index)
        }
      }
    }
  }
}
const jeecgAreaData = new Area()

// 根据code找文本
const getAreaTextByCode = function (code) {
  //判断code是否是多code逗号分割的字符串，是的话，获取最后一位的code
  if (code && code.includes(",")) {
    code = code.substr(code.lastIndexOf(",") + 1)
  }
  return jeecgAreaData.getText(code)
}

export { getAreaTextByCode }
